// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/api-arguments.h"

#include "src/api-arguments-inl.h"

namespace v8 {
namespace internal {

    PropertyCallbackArguments::PropertyCallbackArguments(
        Isolate* isolate, Object data, Object self, JSObject holder,
        Maybe<ShouldThrow> should_throw)
        : Super(isolate)
    {
        slot_at(T::kThisIndex).store(self);
        slot_at(T::kHolderIndex).store(holder);
        slot_at(T::kDataIndex).store(data);
        slot_at(T::kIsolateIndex).store(Object(reinterpret_cast<Address>(isolate)));
        int value = Internals::kInferShouldThrowMode;
        if (should_throw.IsJust()) {
            value = should_throw.FromJust();
        }
        slot_at(T::kShouldThrowOnErrorIndex).store(Smi::FromInt(value));

        // Here the hole is set as default value.
        // It cannot escape into js as it's removed in Call below.
        HeapObject the_hole = ReadOnlyRoots(isolate).the_hole_value();
        slot_at(T::kReturnValueDefaultValueIndex).store(the_hole);
        slot_at(T::kReturnValueIndex).store(the_hole);
        DCHECK((*slot_at(T::kHolderIndex))->IsHeapObject());
        DCHECK((*slot_at(T::kIsolateIndex))->IsSmi());
    }

    FunctionCallbackArguments::FunctionCallbackArguments(
        internal::Isolate* isolate, internal::Object data,
        internal::HeapObject callee, internal::Object holder,
        internal::HeapObject new_target, internal::Address* argv, int argc)
        : Super(isolate)
        , argv_(argv)
        , argc_(argc)
    {
        slot_at(T::kDataIndex).store(data);
        slot_at(T::kHolderIndex).store(holder);
        slot_at(T::kNewTargetIndex).store(new_target);
        slot_at(T::kIsolateIndex).store(Object(reinterpret_cast<Address>(isolate)));
        // Here the hole is set as default value.
        // It cannot escape into js as it's remove in Call below.
        HeapObject the_hole = ReadOnlyRoots(isolate).the_hole_value();
        slot_at(T::kReturnValueDefaultValueIndex).store(the_hole);
        slot_at(T::kReturnValueIndex).store(the_hole);
        DCHECK((*slot_at(T::kHolderIndex))->IsHeapObject());
        DCHECK((*slot_at(T::kIsolateIndex))->IsSmi());
    }

} // namespace internal
} // namespace v8
